Size 4; 18 Drill Dia x 2-18 OAL 60° HSS Combined Drill & Countersink; Combined Drills & Countersinks 60° Plain type For producing center holes in components orworkpieces which require machining between centers. High speed steel - right hand & left hand M42 cobalt - right hand T15 cobalt - right hand more...
Fractional General Purpose Jobber Length Drills - 118° Point, Straight Shank - High Speed Steel Black Oxide Surface Treatment increases wear resistance, reduces galling and chip welding, improves chip flow and increases drill lubricant retention. more...